Update eslint config, fix build warnings, update packages

[Seb-sti1]

Everything is in the title of the MR

Here is a list of packages not to latest version (for the frontend):

Package	Current	Wanted	Latest	Done
@testing-library/jest-dom	5.17.0	5.17.0	6.1.3	✅
@testing-library/react	13.4.0	13.4.0	14.0.0	✅
@testing-library/user-event	13.5.0	13.5.0	14.5.1	✅
@types/jest	27.5.2	27.5.2	29.5.5	✅
@types/node	16.18.46	16.18.52	20.6.2	✅
@typescript-eslint/parser	5.62.0	5.62.0	6.7.0	✅
chart.js	3.9.1	3.9.1	4.4.0	✅
eslint	8.48.0	8.49.0	8.49.0	✅
react-chartjs-2	4.3.1	4.3.1	5.2.0	✅
react-docgen	5.4.3	5.4.3	6.0.4	removed
react-router-dom	6.15.0	6.16.0	6.16.0	✅
typescript	4.9.5	4.9.5	5.2.2	conflict with react-scripts if version >5 (kept as it is)

The backend didn't have ancient packages